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<a name="gst-plugins-bad-plugins-voaacenc"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gst-plugins-bad-plugins-voaacenc.top_of_page"></a>voaacenc</span></h2>
<p>voaacenc</p>
</td>
<td class="gallery_image" valign="top" align="right"></td>
</tr></table></div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.properties"></a><h2>Properties</h2>
<div class="informaltable"><table class="informaltable" border="0">
<colgroup>
<col width="150px" class="properties_type">
<col width="300px" class="properties_name">
<col width="200px" class="properties_flags">
</colgroup>
<tbody><tr>
<td class="property_type"><a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></td>
<td class="property_name"><a class="link" href="gst-plugins-bad-plugins-voaacenc.html#GstVoAacEnc--bitrate" title="The “bitrate” property">bitrate</a></td>
<td class="property_flags">Read / Write</td>
</tr></tbody>
</table></div>
</div>
<a name="GstVoAacEnc"></a><div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.other"></a><h2>Types and Values</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="name">
<col class="description">
</colgroup>
<tbody><tr>
<td class="datatype_keyword">struct</td>
<td class="function_name"><a class="link" href="gst-plugins-bad-plugins-voaacenc.html#GstVoAacEnc-struct" title="struct GstVoAacEnc">GstVoAacEnc</a></td>
</tr></tbody>
</table></div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.object-hierarchy"></a><h2>Object Hierarchy</h2>
<pre class="screen">    <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GObject-struct">GObject</a>
    <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gobject/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a>
        <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstObject.html#GstObject-struct">GstObject</a>
            <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstElement.html#GstElement-struct">GstElement</a>
                <span class="lineart">╰──</span> <a href="/usr/share/gtk-doc/html/gst-plugins-base-libs-1.0/GstAudioEncoder.html#GstAudioEncoder-struct">GstAudioEncoder</a>
                    <span class="lineart">╰──</span> GstVoAacEnc
</pre>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.implemented-interfaces"></a><h2>Implemented Interfaces</h2>
<p>
GstVoAacEnc implements
 <a href="/usr/share/gtk-doc/html/gstreamer-1.0/GstPreset.html#GstPreset-struct">GstPreset</a>.</p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.description"></a><h2>Description</h2>
<p>AAC audio encoder based on vo-aacenc library</p>
<a class="ulink" href="http://sourceforge.net/projects/opencore-amr/files/vo-aacenc/" target="_top">vo-aacenc library source file</a>.
<div class="refsect3">
<a name="id-1.2.241.8.4"></a><h4>Example launch line</h4>
<div class="informalexample">
  <table class="listing_frame" border="0" cellpadding="0" cellspacing="0">
    <tbody>
      <tr>
        <td class="listing_lines" align="right"><pre>1</pre></td>
        <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> filesrc location<span class="gtkdoc opt">=</span>abc<span class="gtkdoc opt">.</span>wav <span class="gtkdoc opt">!</span> wavparse <span class="gtkdoc opt">!</span> audioresample <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> voaacenc <span class="gtkdoc opt">!</span> filesink location<span class="gtkdoc opt">=</span>abc<span class="gtkdoc opt">.</span>aac</pre></td>
      </tr>
    </tbody>
  </table>
</div>

<p></p>
</div>
<div class="refsynopsisdiv">
<h2>Synopsis</h2>
<div class="refsect2">
<a name="id-1.2.241.8.5.1"></a><h3>Element Information</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">plugin</span></p></td>
<td>
            <a class="link" href="gst-plugins-bad-plugins-plugin-voaacenc.html#plugin-voaacenc">voaacenc</a>
          </td>
</tr>
<tr>
<td><p><span class="term">author</span></p></td>
<td>Kan Hu &lt;kan.hu@linaro.org&gt;</td>
</tr>
<tr>
<td><p><span class="term">class</span></p></td>
<td>Codec/Encoder/Audio</td>
</tr>
</tbody>
</table></div>
</div>
<hr>
<div class="refsect2">
<a name="id-1.2.241.8.5.2"></a><h3>Element Pads</h3>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>sink</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000 }, channels=(int)1</td>
</tr>
<tr>
<td><p><span class="term"></span></p></td>
<td> audio/x-raw, format=(string)S16LE, layout=(string)interleaved, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000 }, channels=(int)2, channel-mask=(bitmask)0x0000000000000003</td>
</tr>
</tbody>
</table></div>
<div class="variablelist"><table border="0" class="variablelist">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">name</span></p></td>
<td>src</td>
</tr>
<tr>
<td><p><span class="term">direction</span></p></td>
<td>source</td>
</tr>
<tr>
<td><p><span class="term">presence</span></p></td>
<td>always</td>
</tr>
<tr>
<td><p><span class="term">details</span></p></td>
<td>audio/mpeg, mpegversion=(int)4, rate=(int){ 8000, 11025, 12000, 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000 }, channels=(int)[ 1, 2 ], stream-format=(string){ adts, raw }, base-profile=(string)lc</td>
</tr>
</tbody>
</table></div>
</div>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.functions_details"></a><h2>Functions</h2>
<p></p>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="GstVoAacEnc-struct"></a><h3>struct GstVoAacEnc</h3>
<pre class="programlisting">struct GstVoAacEnc;</pre>
</div>
</div>
<div class="refsect1">
<a name="gst-plugins-bad-plugins-voaacenc.property-details"></a><h2>Property Details</h2>
<div class="refsect2">
<a name="GstVoAacEnc--bitrate"></a><h3>The <code class="literal">“bitrate”</code> property</h3>
<pre class="programlisting">  “bitrate”                  <a href="/usr/share/gtk-doc/html/glib/glib-Basic-Types.html#gint"><span class="type">gint</span></a></pre>
<p>Target Audio Bitrate (bits per second).</p>
<p>Flags: Read / Write</p>
<p>Allowed values: [0,320000]</p>
<p>Default value: 128000</p>
</div>
</div>
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